42223012 has 12 divisors (see below), whose sum is σ = 79574236. Its totient is φ = 19487520.

The previous prime is 42223007. The next prime is 42223021. The reversal of 42223012 is 21032224.

It can be written as a sum of positive squares in 2 ways, for example, as 22810176 + 19412836 = 4776^2 + 4406^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405939 + ... + 406042.

Almost surely, 2^42223012 is an apocalyptic number.

It is an amenable number.

42223012 is a deficient number, since it is larger than the sum of its proper divisors (37351224).

42223012 is a wasteful number, since it uses less digits than its factorization.

42223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811998 (or 811996 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42223012 is about 6497.9236683728. The cubic root of 42223012 is about 348.2168134094.

Adding to 42223012 its reverse (21032224), we get a palindrome (63255236).

The spelling of 42223012 in words is "forty-two million, two hundred twenty-three thousand, twelve".